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7524142 |
Subsurface installation of tubing
A tractor attachment for installing tubing beneath the ground includes a frame having a toolbar to which multiple plow assemblies are coupled and spaced apart by rigid spacers. Each plow assembly...
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6125775 |
System for gauge wheel load adjustment
A system for ensuring the uniform height of gauge wheels for a towed implement assembly such as a seeder. The seeder has a frame structure with a series of front gauge wheels suspended by the front...
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6053257 |
Hydraulic pressure takeout apparatus for a tractor
A hydraulic pressure takeout apparatus for use on a tractor having a hydraulic device with right and left lift arms for raising and lowering a working implement. The hydraulic pressure takeout...
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5348101 |
Hydraulic system for a towed implement
A hydraulic rockshaft control circuit which includes a three-way valve that normally operates the rockshaft is connected to the lift cylinder on a trailing implement. A hitch lock valve connected...
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5152347 |
Interface system for a towed implement
A towed implement with an implement cylinder may be coupled to the hitch of a tractor which includes a hydraulic pump, a hydraulic sump, a rockshaft cylinder for raising and lowering the hitch, a...
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5049027 |
Hydro-electric tool lock
An industrial vehicle has a tool adaptor mounted on the outer ends of a pair of support arms. A self contained hydro-electric unit is mounted on the tool adaptor or on a support arm closely...
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4915014 |
Disk harrow hydraulic wing balancing system
A weight-balancing system for a farm implement, such as a disk harrow with foldable wings operated by wingfold cylinders, includes a selective control valve for controlling fluid communication to...
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4903781 |
Flexible mounting system for agricultural implements
A compact flexible mounting system for connection of an agricultural implement to a tractor includes a load transfer member pivotally attached to the upper stabilizing link of a three-point hitch...
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4825958 |
Hydraulic lock for a flexible tool bar
A flexible tool bar apparatus including a first tool bar adapted to have earth working implements attached thereto and a second tool bar also adapted to have earth working implements attached...
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4809786 |
Remotely adjustable disk leveling system
Adjustable link structure for providing on-to-go disk harrow adjustment from the cab of the towing vehicle. The mechanism for automatically maintaining the frame of a disk harrow at a level...
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4529041 |
Soil scraper and leveler
The soil scraper of the present invention is adapted for use with a tractor or vehicle having a three point hitch. The device includes an elongated frame having a three point hitch receptacle...
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4487268 |
Lifting attachments for cultivators
Components suitable to be sold in kits can be readily applied to cultivators of different makes to be able to raise and to lower independently the ground-working tools on either side of the...
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4454920 |
High speed tillage system with discs and plow points
A tillage system includes forward and rear sets of widely spaced discs and a set of plow points. The discs in the forward set are mounted at spaced intervals so as to leave alternate strips of...
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4413685 |
Planter implement with adjusting position-display apparatus and system thereof
An apparatus is provided for remote selective operator adjustment and display of the position of adjustment of a plurality of ground-supported planting units of a planter. The apparatus includes a...
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4337832 |
Lift system, steering system, and pivotal blade for land plane
A land plane for leveling or grading the surface of a land area. The plane includes a frame defined by a center section and end sections pivotally connected to the center section, with each...
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4324411 |
Implement level lift system
A level lift system for an implement in which a main frame is flexibly connected to outrigger frames with a wheel assembly carried by each frame. A hydraulic ram is operably connected between each...
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4046399 |
Electrohydraulic system for towed vehicle
A tractor towed vehicle having a frame and hydraulic functions powered by a plurality of hydraulic devices. An electrohydraulic valve assembly is coupled to the devices and is rigidly secured to...
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3965989 |
Flexible plow
A large moldboard plow utilizing a multi-piece backbone or main frame connected by a hinge or hinges and a floatation land wheel or wheels. The hinge or hinges being arranged such that a uniform...
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3924694 |
Chisel plow
A rigid wheeled frame supporting or carrying gang type, earth-engaging and working chisel or shovel plow, wherein the wheel mounts are vertically adjustable and lockable in adjusted position with...
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3918529 |
Sectional implement having sequential lifting and lowering
The rear of massive disc harrow is swung toward the ground first until the rear gangs are grounded, whereupon the front of the harrow is swung downwardly about the fulcrum between the rear gangs...
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3851710 |
HYDRAULIC BEAMING CONTROL SYSTEM FOR PLOW IMPLEMENTS
A hydraulic beaming control system for tractor-propelled plow implements having sequentially arranged frame-mounted plow units and by means of which a delay is afforded in either raising or...
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3700041 |
POSITION CONTROL FOR PARALLEL HYDRAULIC SYSTEMS ON AN AGRICULTURAL IMPLEMENT
A flexible rod weeder in which the weeder rods are raised and lowered by rocking the frame about the forward wheels. A plurality of gauge wheels are connected to the rear of the frame through...
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3679224 |
LIFTING ARRANGEMENT FOR AGRICULTURAL IMPLEMENT FRAME
The frame of an agricultural implement is elevated relative to land traversed by the cooperation of first and second pressure fluid actuators having cylinders of common inside diameter, a pressure...
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3643742 |
FOLDUP IMPLEMENT
A foldable multiple section farm implement having a central wheeled cart, laterally extending folding units for supporting harrow sections, a rearwardly extending tail unit also for supporting...
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3630290 |
HYDRAULIC POWER LIFT SYSTEM FOR TRACTOR AND IMPLEMENT
An integrally mounted agricultural implement is provided with a pair of outrigger frames pivotally connected to a center frame for independent vertical movement. The outrigger frames are raised and...
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3627053 |
HYDRAULIC POWER LIFT SYSTEM FOR TRACTOR AND TRAILING IMPLEMENT
A tractor and trailing earthworking implement combination in which the implement includes a transverse series of frames pivotally connected together and mounted on vertically movable wheels...
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3583495 |
IMPLEMENTS WITH TAIL WHEEL LIFT ASSISTS
An implement for use with a tractor having a conventional three-point hitch including a pair of lower draft links and an upper compression link, the implement being provided with a hydraulically...
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3568777 |
IMPLEMENT FRAME CONSTRUCTION
An implement having a main frame and outrigger frames connected to the main frame by hinge members which normally prevent the outrigger frames from moving into the same plane as the main frame. A...
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3547203 |
BACK BLADE ASSEMBLY AND CONTROL THEREFOR
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3534819 |
GROUND WORKING IMPLEMENTS
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3494427 |
AGRICULTURAL IMPLEMENT WITH MEANS FORCING TOOL TO CONTROLLED DEPTH
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3486761 |
HYDRAULIC ELEVATING CONTROLS
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3481407 |
PLOW
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3411800 |
Planter power lift
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3356382 |
Hydraulic height controls
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3348620 |
Hitch for implements
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3336049 |
Implement with tail wheel lift assist
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3302317 |
Grader
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3279822 |
Hydraulic hose support
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3266181 |
Soil levelling and diking machine
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3258075 |
Means for controlling tractorimplement combinations
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3233682 |
Weight transfer implement hitch
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3224392 |
Soil tillage apparatus
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3207233 |
Implement carriage for tractors
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3194321 |
Combination hitch, depth control and spring release for rod weeders
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3193021 |
Stalk mulching and disintegrating machine
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3190363 |
Triple section rotary rod weeder
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3175522 |
Minimum tillage planter
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3161164 |
Planter
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3140745 |
Means for steering a tractor by varying the point of load application to a transverse tow bar supported by the tractor
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